isotopic spin

noun

, Physics.

1. a quantum number that is related to the number of different values of electric charge that a given kind of baryon or meson may have. : I

isotopic spin

noun

1. See isospin

isotopic spin

/ ī′sə-tŏp′ĭk /

1. See isospin

Word History and Origins

Origin of isotopic spin¹

First recorded in 1935–40